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Date: Thu, 7 May 2015 11:14:12 +0200
Message-ID: <CABUmD9vxpTOFg0vPa29v1ynnPtZAb3_X8x15gwYSyQ_8onQaTw@mail.gmail.com>
Subject: Re: FreeBSD makes linux think other subet is in same lan.
From: Martin Larsson <martin.larsson2@gmail.com>
To: "Andrey V. Elsukov" <bu7cher@yandex.ru>
Cc: freebsd-net <freebsd-net@freebsd.org>
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yes, that made the trick!
Thanks alot Andrey!


On Thu, May 7, 2015 at 11:04 AM, Andrey V. Elsukov <bu7cher@yandex.ru>
wrote:

> On 06.05.2015 15:51, Martin Larsson wrote:
> > Now, FreeBSD itselt can also ping 10.11.12.0/24 host, but Linux stop
> > working.
> > windows can ping in both cases though.
> >
> > Here is arp -n on linux after the route is added on the freebsd gateway.
> >
> > Linux:~ # arp -a
> > ? (10.11.12.13) at <incomplete>  on eth0
> > ? (192.168.1.125) at b4:52:7e:95:2a:f5 [ether]  on eth0
>
> I think it is because FreeBSD sends ICMP redirects when it finds that
> route to the given destination goes back to the receiving interface.
>
> Try to disable ICMP redirects:
> # sysctl net.inet.ip.redirect=0
>
> --
> WBR, Andrey V. Elsukov
>
>